New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrochemistry question

2019 · 8 Apr · Shift 2 · Q24

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Electrochemistry
2019 · 8 Apr · Shift 2 · Q24

Electrochemistry question

2019 · 8 Apr · Shift 2 · Q24

JEE MainChemistryElectrochemistryMCQ+4 / −1

Calculate the standard cell potential in (V) of the cell in which following reaction takes place :

Fe^{2+}

(aq) +

Ag^+

(aq)

\to

Fe^{3+}

(aq) +

Ag

(s) Given that

E_{A{g^ + }/Ag}^o = xVE_{Fe^{2+ }/Fe}^o = yVE_{Fe^{3+ }/Fe}^o = zV

A
x + 2y - 3z
B
x - z
C
x - y
D
x + y - z

More from Electrochemistry

The standard Gibbs energy for the given cell reaction in kJ mol–1 at 298 K is : $Z n$ (s) + $C u^{2 +}$ (aq) $\to$ $Z n^{2 +}$ (aq) + $C u$ (s), E° = 2 V at 298 K (Faraday's constant, F = 96000 C mol–1)2019 · MCQ
A solution of $N i (N O_{3})_{2}$ is electrolysed between platinum electrodes using 0.1 Faraday electricity. How many mole of $N i$ will be deposited at the cathode?2019 · MCQ
The anodic half-cell of lead-acid battery is recharged using electricity of 0.05 Faraday. The amount of $P b S O_{4}$ electrolyzed in g during the process is : (Molar mass of $P b S O_{4}$ = 303 g mol $-$ 1)2019 · MCQ
If the standard electrode potential for a cell is 2 V at 300 K, the equilibrium constant (K) for the reaction $Z n$ (s) + $C u^{2 +}$ (aq) $⇌$ $Z n^{2 +}$ (aq) + $-$ (s) at 300 K is approximately, (R = 8 JK $-$ 1mol $-$ 1, F =…2019 · MCQ
Consider the statements S1 and S2 S1 : Conductivity always increases with decrease in the concentration of electrolyte. S2 : Molar conductivity always increases with decrease in the concentration of electrolyte. The correct option among…2019 · MCQ
Which one of the following graphs between molar conductivity ( $Λ_{m}$ ) versus $C$ is correct ?2019 · MCQ
Consider the following reduction processes : $Z n^{2 +}$ + 2e– $\to$ Zn(s) ; Eo = – 0.76 V $C a^{2 +}$ + 2e– $\to$ Ca(s); Eo = –2.87 V $M g^{2 +}$ + 2e– $\to$ Mg(s) ; Eo = – 2.36 V $N i_{2}$ + 2e– $\to$ Ni(s) ; Eo = – 0.25 The reducing power of the…2019 · MCQ
In the cell Pt $∣ (s) ∣$ $H_{2}$ (g, 1 bar) $∣ H C l (a q) ∣$ AgCl $∣ (s) ∣$ Ag(s)|Pt(s) the cell potential is 0.92 V when a 10–6 molal $H C l$ solution is used.…2019 · MCQ